CompTIA A+ 220-902 Question J-60

A user sent an email requesting that a technician check if a computer is on and connected to the Internet so the user can login from home. Which of the following commands in the command prompt would a technician use to verify if the computer is on and connected without having to go to the computer?

A. NSLOOKUP
B. NETSTAT
C. PING
D. IPCONFIG